How to manage the latest lettuce after planting

Lettuce is a vegetable with very high nutritional value. Its main edible parts are rhizome and leaves, which are welcomed by many people. When planting lettuce, we first need to do a good job of seedling work. After lettuce seedling planting, we should pay attention to strengthen management to ensure the growth of lettuce. So how do you manage lettuce after planting? Today, Xiaobian will give you a brief introduction. Let's take a look at it together.

1. Timely planting

Before planting lettuce seedlings, we should first pay attention to the planting field of lettuce. The lettuce planting field should be dominated by the field with strong water and fertilizer conservation ability, and sufficient organic fertilizer should be applied before planting, combined with appropriate compound fertilizer. Then do a good job of digging ditches and building ridges, level the ridge surface of the planting field, and dig a good planting ditch. When the seedlings are about 25 days old and grow 4-5 true leaves, transplant them with soil in the afternoon. When planting, it is generally dominated by high temperature season, so pay attention to controlling the transplanting time. Then pay attention to watering thoroughly to avoid root injury when seedling is raised, then control the row spacing of plants, and pour enough root-fixing water after planting.

2. Fertilizer and water management

After lettuce seedlings are planted, water them thoroughly, cover them with shade nets, water them again about three days later, and then pay attention to maintaining a moist soil. After the seedlings survive, open the sunshade net, cooperate with watering work, and apply appropriate compound fertilizer per mu. At the same time, we should pay attention to the work of cultivating and loosening soil, squatting seedlings for about a week. When the seedlings grow to about 30 cm high and the thickness is about 5 cm, apply appropriate urea or decomposed cake fertilizer. After about two weeks, apply appropriate urea in conjunction with watering.

In lettuce tender stem expansion period, we should also pay attention to appropriate spraying of chlormequat, about ten days or so spraying once. Can also use the right amount of fresh, but pay attention to control the amount of good liquid medicine, should be sprayed about 3 times. Avoid bolting of seedlings to increase the weight of lettuce stems. Then during the lettuce growth period, we should also pay attention to ditch drainage work, but also not too dry, to water properly. If drought occurs, water lettuce in time to ensure healthy growth.

3. Pest control

It is also very important to control diseases and insect pests after lettuce planting. Common diseases and insect pests in lettuce growth include leaf spot disease, downy mildew and aphids. When we control pests and diseases, we should use corresponding chemicals for prevention and control. For example, the application of methyl thiophane to control leaf spot disease, chlorothalonil to downy mildew, etc. We should often check the growth of lettuce, when it is found that lettuce appears abnormal situation, we should find out the cause in time, and then make corresponding measures to avoid the spread of the disease, affecting the growth of lettuce.

The above is a simple introduction to how to manage lettuce after planting. Today's introduction is here, this article is for reference only, I hope to help everyone oh!